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Support Ubuntu 20.04 (Focal) #1747

Description

@gitfool

Not sure if this is related to #1585, so creating a separate issue.

See Cake.Dungeon Docker build where I'm doing a Cake build in a Docker container based on Ubuntu 20.04 (Focal) using the .NET Core 3.1 SDK nightly preview (Dockerfile). The build fails with error:

System.DllNotFoundException: Unable to load shared library 'git2-106a5f2' or one of its dependencies...

I'm using GitVersion 5.1.3, which is already using the latest LibGit2Sharp libraries AFAICT.

Activity

  1. patrolez commented on Mar 30, 2020

    @patrolez

    I can see that this is related to OpenSSL version.

    Since Ubuntu Eoan the OpenSSL 1.0 was taken out from the repository in favour of OpenSSL 1.1.

    $ ldd bin/Debug/netcoreapp3.1/runtimes/linux-x64/native/libgit2-106a5f2.so 
            linux-vdso.so.1 (0x00007ffdcbfc0000)
            librt.so.1 => /lib/x86_64-linux-gnu/librt.so.1 (0x00007f5937950000)
            libpthread.so.0 => /lib/x86_64-linux-gnu/libpthread.so.0 (0x00007f593792d000)
            libssl.so.1.0.0 => not found
            libcrypto.so.1.0.0 => not found
            libc.so.6 => /lib/x86_64-linux-gnu/libc.so.6 (0x00007f593773c000)
            /lib64/ld-linux-x86-64.so.2 (0x00007f5937ca2000)
    
  2. patrolez commented on May 22, 2020

    @patrolez

    @gitfool It looks like #1714 solves this issue. It is included in 0.27-preview releases in NuGet.

    Nope. It is not. Publishing packages still bundles wrong library - linked against OpenSSL 1.0 instead of 1.1 if target is linux-x64.

    The solution is to target Ubuntu bionic runtime: dotnet publish -r ubuntu.18.04-x64 -c Release /p:PublishSingleFile=true /p:PublishTrimmed=true

  3. dnperfors commented on Dec 11, 2020

    @dnperfors

    Any change that this bug will be fixed soon? Github will move their default linux agents to Ubuntu 20.04 which means that a lot of people will get breaking builds soon.

  4. ethomson commented on Dec 11, 2020

    @ethomson
    Member

    libssl is no longer a dependency for the LibGit2Sharp builds, thanks to #1618. Upgrading to the latest nuget package will fix this. https://www.nuget.org/packages/LibGit2Sharp/0.27.0-preview-0096

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